Have you seen these wonderful creations in the math library?
They were all made by Daina Taimina, associate adjunct professor in math and are a feature of the 50th Typology Festival. Daina combines her expertise in math with passion for crochet and is the author of Crocheting Adventures with Hyperbolic Planes. Come check them out before they are gone! Daina also maintains a blog based on her fiber sculptures: http://hyperbolic-crochet.blogspot.com/